CN102818710A - Automobile intelligent chair electric parameter simulation system and establishing method - Google Patents
Automobile intelligent chair electric parameter simulation system and establishing method Download PDFInfo
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- CN102818710A CN102818710A CN2012102830900A CN201210283090A CN102818710A CN 102818710 A CN102818710 A CN 102818710A CN 2012102830900 A CN2012102830900 A CN 2012102830900A CN 201210283090 A CN201210283090 A CN 201210283090A CN 102818710 A CN102818710 A CN 102818710A
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Abstract
The invention relates to an automobile intelligent chair electric parameter simulation system and an establishing method. Corresponding distribution parameter network models are built for a function module of a chair product, identification signals output by the distribution parameter network models are converted by an AD (analog to digital) conversion module, are then sent into a CPU (central processing unit) to be processed and are sent to a man-machine interface to display the state, and a power manager supplies electricity to the CUP. The parameter models of each device are built in the system, the test of the production site, the customer site and the single function is convenient, the carrying is convenient, in-site personnel can carry a simulation system for verifying whether the sources of problems are from the chair products or from other problems on an automobile body in site, the electric chair electric device function is realized, and the electric detection and sale convenience during the chair production can be greatly improved.
Description
Technical field
The present invention relates to a kind of simulation of electrical performance system, particularly a kind of vehicle intellectualized seat electrical quantity simulation system and method for building up.
Background technology
Present popularizing of automobile had higher requirement to comfort level and the security of automobile, and the automotive seat electric work can be tending towards diversified at present thereupon; The automaticity of seating product implementation procedure is promoting, and in order to improve production, novel/integrated self-control electric work energy measurement instrument is widely used at production line; Supporting with it measurement instrument quantity kind constantly increases; The part measurement instrument is used by production operation person 100% in process of production, and the way to manage of measurement instrument single-point type (Quality Mgmt Dept uses measurement instrument emphatically) can't satisfy measurement instrument and use the universalness demand at present; The outer school of automated test device; Can only carry out a calibration (resistance box/reometer on the equipment), can't realize systematicness calibration (can't realize the calibration of software systems/test loop/external connection), finally cause analysis and judgement not catch up with the rhythm of production.
Summary of the invention
The present invention be directed to present intelligent seat means of testing and do not catch up with the problem of production; A kind of vehicle intellectualized seat electrical quantity simulation system and method for building up have been proposed; The field staff can wear simulation system, but whether the source of validation problem derives from product or derive from the first-class other problems of vehicle body then and there; Can practice thrift the time of the replacement exemplar of taking, former solution is to get back to the seating product exemplar that general assembly takes again to go replacement.
Technical scheme of the present invention is: a kind of vehicle intellectualized seat electrical quantity simulation system; Comprise calibrating function distributed parameter network model, motor function distributed parameter network model, security function distributed parameter network model, amusement function distributed parameter network model; The functional module of tested seat is carried out the electrical quantity simulation with corresponding function distributed parameter network model; Function distributed parameter network model is exported analog result, and after function distributed parameter network model output signal carried out analog to digital conversion through the AD modular converter, signal was sent into the CPU processor and handled; The CPU processor is exported the machine interface display of making a gift to someone, and power management is given the power supply of CPU processor.
Said function distributed parameter network model carries out the distributed constant circuit simulation with the part in the seat as normal component; The recurrent circuit that each normal component is made up of resistor, inductor and capacitor constitutes the function distributed parameter network model of normal component, and resistor, inductor and capacitor are arranged in a combination by resistance, inductance and the electric capacity of several minimum units respectively.The absolute rating and the inefficacy parameter that comprise normal component in the function distributed parameter network model of said normal component.
A kind of vehicle intellectualized seat electrical quantity simulation system method for building up specifically comprises the steps:
1), with the part in the functional module of seat as normal component, carry out distributed parameter network simulation, obtain the component simulation drawing of normal component;
2) gained component simulation drawing is decomposed into the lump component simulation drawing of being made up of the linearity range of numerous element length, builds lump component parametric circuit with resistor, inductor and capacitor according to lump component simulation drawing;
3) lump component parametric circuit is carried out simulation test, experiment test comprises absolute rating simulation test, the test of inefficacy parameter simulation, obtains having the function distributed parameter network model of normal component detected parameters according to the simulation test result;
The corresponding function distributed parameter network of the practical devices model of 4) being simulated seat is exported; Output identification simulating signal connects the AD modular converter; Output to the CPU processor after the analog quantity that the AD modular converter is exported model transfers digital quantity to, output to the testing result that man-machine interface shows the practical devices of tested seat after the CPU processor processes data.
Beneficial effect of the present invention is: the present invention's vehicle intellectualized seat electrical quantity simulation system and method for building up; In system, set up the parameter model of each device; Make things convenient for production scene, curstomer`s site and unifunctional test; Be convenient for carrying, possess each test and measuring utensil function of all seats, improved the convenience of seat production testing and sale greatly.
Description of drawings
Fig. 1 is the vehicle intellectualized seat electrical quantity of a present invention simulation system structural representation;
Fig. 2 sets up analysis chart for distributed parameter network module in the vehicle intellectualized seat electrical quantity of the present invention simulation system;
Fig. 3 carries out the component simulation drawing for the vehicle intellectualized seat electrical quantity of the present invention simulation system middle slideway motor;
Fig. 4 is air bag distribution parameter polar plot in the vehicle intellectualized seat electrical quantity of the present invention simulation system;
Fig. 5 is motor distribution parameter polar plot in the vehicle intellectualized seat electrical quantity of the present invention simulation system;
Fig. 6 is air bag distributed parameter network model equivalent circuit diagram in the vehicle intellectualized seat electrical quantity of the present invention simulation system.
Embodiment
The intelligent seat electrical quantity of new automobile as shown in Figure 1 simulation system structural representation; Seat comprises calibrating function module 1, motor function module 2, safety function module 3 and entertainment systems functional module; Each functional module of seat is through corresponding distributed parameter network model 5,6,7,8; The performance index of the reality of seat are analyzed back output, after the output signal is changed through AD modular converter 9, after sending into CPU processor 11 and handling; Make a gift to someone machine interface 10 shows that power management 12 gives the CPU processor 11 power supplies.
The point of most critical is the distributed parameter network Model Design in whole test system; Kirchhoff's law that is satisfied on the design consideration network node and Poisson equation difference equation principle mutually; The step-length (at interval) of planned network resistance ri and differential networks square be directly proportional the method for analog machine simulation stable electrical flow field, gravitational field and horizontal fixed-field that the electric current I that infeeds in the network node is directly proportional with f0.Can obtain electric field, magnetic and gravitational fields curve under the complex situations fast, field data carried out physical interpretation, the whole chair of common name network analog part & through simulation.The distributed parameter network model comprises the simulation of device canonical parameter, absolute rating simulation and inefficacy parameter simulation; Part in each functional module of seat is carried out the distributed constant circuit simulation as normal component, and the distributed constant circuit to normal component carries out absolute rating setting and inefficacy parameter setting then.
Distributed constant circuit is simulated:
1. set up model: analytic target is envisioned for many infinitesimals can be abstracted into a lumped circuit in each length unit.The recurrent circuit that the lumped circuit cascade forms.
2. write equation according to model:, utilize KCL and KVL (seeing Kirchhoff's law) to try to achieve performance with reference to the lumped circuit that the d χ of length unit is abstracted into.3. after modeling is accomplished, use electric impedance analyzer that special parameter is verified, use experimental method finally to confirm.
Distributed parameter network module as shown in Figure 2 is set up analysis chart, realizes with suitable actual resistance device, inductor and capacitor, just can obtain an artificial actual recurrent circuit that linear dimension is very little.Illustration 3 carries out the component simulation drawing for slideway motor E, and impedance Z=R+j (XL-XC) is respectively the distribution parameter polar plot of air bag and motor like Figure 4 and 5.Through experimental verification following table 1 is seat parts exemplary distribution parameter list.
Table 1
To component safety air bag model brief description wherein; Air bag distributed parameter network model isoboles as shown in Figure 6; Distributed constant circuit to air bag carries out absolute rating setting and inefficacy parameter setting; Obtain final air bag distributed parameter network model equivalent circuit diagram, wherein resistance is arranged in a combination with the cell resistance of inefficacy parameter by N identical size according to the limit, and the menu that reaches sees the following form 2
| Gear | Theoretical value | The analogue value | Explanation |
| 1 | 0.0 | 0.0 | Connector connects |
| 2 | 1.6 | 1.53 | The inefficacy lower limit |
| 3 | 1.8 | 1.81 | The non-defective unit lower limit |
| 4 | 2.0 | 2.03 | The nominal center value |
| 5 | 2.2 | 2.28 | The non-defective unit upper limit |
| 6 | 2.4 | 2.43 | The inefficacy upper limit |
| 7 | ω | ω | Broken string lost efficacy |
The network model equivalent electrical circuit is in case confirm, as long as the functional module data of the seat that will survey compare with it, fall into that scope after; It is normal just can analyzing functional module, still loses efficacy, after the analysis data are sent into the conversion of AD modular converter; Sending into man-machine interface shows; On-site real-time just can be seen the test result of seat, can do follow-up processing, has improved the efficient of seat production testing greatly.
Claims (4)
1. vehicle intellectualized seat electrical quantity simulation system; It is characterized in that; Comprise calibrating function distributed parameter network model, motor function distributed parameter network model, security function distributed parameter network model, amusement function distributed parameter network model, the functional module of tested seat is carried out the electrical quantity simulation with corresponding function distributed parameter network model, and function distributed parameter network model is exported analog result; After function distributed parameter network model output signal carries out analog to digital conversion through the AD modular converter; Signal is sent into the CPU processor and is handled, and the CPU processor is exported the machine interface display of making a gift to someone, and power management is given the power supply of CPU processor.
2. according to the said vehicle intellectualized seat electrical quantity simulation system of claim 1; It is characterized in that; Said function distributed parameter network model carries out the distributed constant circuit simulation with the part in the seat as normal component; The recurrent circuit that each normal component is made up of resistor, inductor and capacitor constitutes the function distributed parameter network model of normal component, and resistor, inductor and capacitor are arranged in a combination by resistance, inductance and the electric capacity of several minimum units respectively.
3. according to the said vehicle intellectualized seat electrical quantity simulation system of claim 2, it is characterized in that, comprise the absolute rating and the inefficacy parameter of normal component in the function distributed parameter network model of said normal component.
4. a vehicle intellectualized seat electrical quantity simulation system method for building up is characterized in that, specifically comprises the steps:
1), with the part in the functional module of seat as normal component, carry out distributed parameter network simulation, obtain the component simulation drawing of normal component;
2) gained component simulation drawing is decomposed into the lump component simulation drawing of being made up of the linearity range of numerous element length, builds lump component parametric circuit with resistor, inductor and capacitor according to lump component simulation drawing;
3) lump component parametric circuit is carried out simulation test, experiment test comprises absolute rating simulation test, the test of inefficacy parameter simulation, obtains having the function distributed parameter network model of normal component detected parameters according to the simulation test result;
4) simulated the actual electrical parameters of seat and corresponding function distributed parameter network model contrast back output; Output connects the AD modular converter; After transferring digital quantity to, the analog quantity that the AD modular converter is exported model outputs to the CPU processor; Export after the CPU processor processes data, the output signal is sent into man-machine interface, shows the emulation mode result of the practical devices of tested seat.
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| CN201210283090.0A CN102818710B (en) | 2012-08-10 | 2012-08-10 | Automobile intelligent chair electric parameter simulation system and establishing method |
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| CN201210283090.0A CN102818710B (en) | 2012-08-10 | 2012-08-10 | Automobile intelligent chair electric parameter simulation system and establishing method |
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| CN102818710B CN102818710B (en) | 2015-05-20 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5809437A (en) * | 1995-06-07 | 1998-09-15 | Automotive Technologies International, Inc. | On board vehicle diagnostic module using pattern recognition |
| CA2513689A1 (en) * | 2003-02-03 | 2004-08-19 | Intier Automotive Inc. | Method of designing automotive seat assemblies for rear impact performance |
| JP2005291841A (en) * | 2004-03-31 | 2005-10-20 | Daihatsu Motor Co Ltd | Occupant impact simulation method at vehicle head-on collision, program, and simulation apparatus for performing method |
| CN201703330U (en) * | 2009-09-23 | 2011-01-12 | 上海通用汽车有限公司 | System for debugging automobile electronic module having bus architecture |
| CN102384849A (en) * | 2011-08-11 | 2012-03-21 | 上海理工大学 | Car seat component dynamic-static equivalent test method |
-
2012
- 2012-08-10 CN CN201210283090.0A patent/CN102818710B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5809437A (en) * | 1995-06-07 | 1998-09-15 | Automotive Technologies International, Inc. | On board vehicle diagnostic module using pattern recognition |
| CA2513689A1 (en) * | 2003-02-03 | 2004-08-19 | Intier Automotive Inc. | Method of designing automotive seat assemblies for rear impact performance |
| JP2005291841A (en) * | 2004-03-31 | 2005-10-20 | Daihatsu Motor Co Ltd | Occupant impact simulation method at vehicle head-on collision, program, and simulation apparatus for performing method |
| CN201703330U (en) * | 2009-09-23 | 2011-01-12 | 上海通用汽车有限公司 | System for debugging automobile electronic module having bus architecture |
| CN102384849A (en) * | 2011-08-11 | 2012-03-21 | 上海理工大学 | Car seat component dynamic-static equivalent test method |
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Address after: Kang an 200120 Shanghai city Pudong Kangqiao Industrial Zone No. 669 Patentee after: Yanfeng Daotuo Ann seat Co. Address before: 201319 No. 3030 Pu Pu Road, Cambridge Industrial Zone, Shanghai, Pudong New Area Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
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Address after: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai 201300 Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: Kang an 201315 Shanghai city Pudong Kangqiao Industrial Zone No. 669 Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |